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37 Years
experience
Premium PVCu Windows, Doors & Conservatories in Louth, Lincolnshire
Spire Windows has been a trusted name in the home improvement industry for over 35 years, specialising in the manufacture and installation of premium PVCu windows, doors, conservatories, and orangeries across Lincolnshire and Yorkshire. As a family-run business based in Louth, we pride ourselves on our local presence and commitment to quality, offering bespoke solutions tailored to individual customer needs. Our in-house manufacturing ensures every product meets the highest standards of durability, security, and energy efficiency, while our customer-first approach guarantees a seamless experience from initial consultation to final installation. With a strong reputation built on word-of-mouth recommendations, we hold accreditations such as FENSA membership and top ratings on Checkatrade, reflecting our dedication to excellence.

Our team of experienced professionals handles every project with care, providing transparent processes, competitive pricing, and a 10-year in-house guarantee on all products. From design visits to aftercare, we ensure minimal disruption to daily routines, delivering solutions that enhance both the aesthetic and functional value of homes. Our innovative Thermotec roofing system and extensive range of customisable options, including decorative glass and a variety of colours, allow homeowners to create spaces that perfectly align with their lifestyle and architectural style.
Services
PVCu Windows Composite Doors Conservatories Orangeries Thermotec Roofing Decorative Fencing Porches Greenhouses
Details
  • Year established: 1989
Highlights and features
  • 35+ years of industry expertise in Lincolnshire and Yorkshire
  • Local family-run business with in-house manufacturing
  • Bespoke designs tailored to individual homes and preferences
  • Customer-first service with transparent processes and no hidden fees
  • Premium-quality products with a 10-year in-house guarantee
Associations and certifications
  • FENSA
  • Checkatrade
What people say
Excellent service Professional and polite Happy with finished product Brilliant job well done No fault with service
Services
PVCu Windows
Spire Windows offers high-quality PVCu windows designed for durability, energy efficiency, and security. These windows feature advanced thermal insulation, reducing heating bills and noise pollution. Available in various styles, colours, and configurations, they provide customisable solutions for any home. The patented gasket seal ensures airtightness, while the 10-year guarantee offers long-term peace of mind. Ideal for homeowners seeking reliable, low-maintenance upgrades.
Composite Doors
Our composite doors combine robust construction with aesthetic appeal, offering enhanced security and insulation. Crafted with a solid timber core and GRP skin, they resist fading and require minimal maintenance. Available in multiple finishes and decorative glass options, they add value and kerb appeal. Fitted with high-security locking systems, these doors ensure safety while complementing any property style.
Conservatories
Spire's conservatories create versatile living spaces with year-round comfort. Constructed using premium uPVC frames and double glazing, they regulate temperature effectively. Styles include Victorian, Edwardian, and bespoke designs, all tailored to individual needs. The 10-year guarantee and made-to-measure approach ensure quality and durability, transforming homes with light-filled extensions.
Orangeries
Orangeries blend traditional conservatory features with modern extensions, offering privacy and structural integrity. Featuring brick dwarf walls and glazed panels, they provide enhanced insulation and security. Customisable with various roof options and finishes, they seamlessly integrate with existing architecture. Ideal for creating bright, functional spaces that increase property value.
Thermotec Roofing
Thermotec insulated roofs transform conservatories into comfortable, all-season rooms. The aluminium panel system improves thermal efficiency, reducing heat loss in winter and heat gain in summer. Installation is completed in a single day with minimal disruption. This solution extends the usability of conservatories, ensuring they remain cosy and energy-efficient throughout the year.
Questions
What is the cost of a standard uPVC window for a 3-bedroom house?
Costs vary based on size, style, and colour. Spire Windows offers transparent pricing with no hidden fees, ensuring competitive rates tailored to your specific requirements.
How long do uPVC windows last?
Spire's high-quality uPVC windows typically last over 20 years, with proper care and maintenance ensuring long-term performance and durability.
Are new doors a good investment?
Yes, Spire's uPVC and composite doors enhance security, energy efficiency, and property value, making them a worthwhile investment for homeowners.
Do conservatories improve a house's value?
Well-designed conservatories from Spire add functional living space and kerb appeal, significantly boosting property value and marketability.
What is the best type of conservatory?
Spire's bespoke conservatories, featuring energy-efficient designs and customisable options, ensure year-round usability and seamless integration with your home's architecture.
How long does a composite door last?
Spire's composite doors come with a 10-year guarantee and are engineered to withstand weathering, maintaining their appearance and functionality for decades.